Toyota Prius 2010, Owner'S Manual

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2-4. Using other driving systems
2
Wh
en drivin
g
CAUTION
■
Situations unsuitable for the LKA system
Using the LKA system in any of the following situations may result in
improper operation of the system and could lead to an accident, causing
death or serious injury. Turn the LKA system off while driving in any of the
following situations.
●
When it is difficult to see lane markings because they are dirty or not clear
●
When it is difficult to see lane markings due to rain, snow, fog or glare
●
When the headlights are not bright enough due to dirt on the lenses or if
the headlight aim is not adjusted appropriately
●
When a lane marking is not present, such as before tollbooths on a free-
way
●
When sudden changes in the light level occur repetitively
●
When there are misleading lines such as shadows, lines of snow, wheel
ruts with rain collected in them, or lines that remain after road repairs
●
When driving in lanes other than the driving lane or passing lane on free-
way or motor highways
●
When there is a lane closure due to road repairs or when driving in a
makeshift lane
●
When the lanes are narrow or wide
●
When the distance from the vehicle ahead of you is short
●
When the vehicle leans to one side an unusual amount due to a heavy
load or improper tire inflation pressure
●
When driving on winding roads or on uneven roads
●
When driving on slippery roads, such as those covered with rain, ice or
snow
●
The tires have been exchanged (including snow tires), or the suspension
has been modified
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